131 lines
4.1 KiB
LLVM
131 lines
4.1 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s
|
|
; RUN: llc < %s -disable-simplify-libcalls -mtriple=x86_64-linux | FileCheck %s --check-prefix=NOBUILTIN
|
|
; RUN: llc < %s -mtriple=x86_64-win32 | FileCheck %s
|
|
|
|
; This tests codegen time inlining/optimization of memcmp
|
|
; rdar://6480398
|
|
|
|
@.str = private constant [23 x i8] c"fooooooooooooooooooooo\00", align 1 ; <[23 x i8]*> [#uses=1]
|
|
|
|
declare i32 @memcmp(...)
|
|
|
|
define void @memcmp2(i8* %X, i8* %Y, i32* nocapture %P) nounwind {
|
|
entry:
|
|
%0 = tail call i32 (...) @memcmp(i8* %X, i8* %Y, i32 2) nounwind ; <i32> [#uses=1]
|
|
%1 = icmp eq i32 %0, 0 ; <i1> [#uses=1]
|
|
br i1 %1, label %return, label %bb
|
|
|
|
bb: ; preds = %entry
|
|
store i32 4, i32* %P, align 4
|
|
ret void
|
|
|
|
return: ; preds = %entry
|
|
ret void
|
|
; CHECK-LABEL: memcmp2:
|
|
; CHECK: movzwl
|
|
; CHECK-NEXT: cmpw
|
|
; NOBUILTIN-LABEL: memcmp2:
|
|
; NOBUILTIN: callq
|
|
}
|
|
|
|
define void @memcmp2a(i8* %X, i32* nocapture %P) nounwind {
|
|
entry:
|
|
%0 = tail call i32 (...) @memcmp(i8* %X, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i32 0, i32 1), i32 2) nounwind ; <i32> [#uses=1]
|
|
%1 = icmp eq i32 %0, 0 ; <i1> [#uses=1]
|
|
br i1 %1, label %return, label %bb
|
|
|
|
bb: ; preds = %entry
|
|
store i32 4, i32* %P, align 4
|
|
ret void
|
|
|
|
return: ; preds = %entry
|
|
ret void
|
|
; CHECK-LABEL: memcmp2a:
|
|
; CHECK: movzwl
|
|
; CHECK-NEXT: cmpl $28527,
|
|
}
|
|
|
|
define void @memcmp2nb(i8* %X, i8* %Y, i32* nocapture %P) nounwind {
|
|
entry:
|
|
%0 = tail call i32 (...) @memcmp(i8* %X, i8* %Y, i32 2) nounwind nobuiltin ; <i32> [#uses=1]
|
|
%1 = icmp eq i32 %0, 0 ; <i1> [#uses=1]
|
|
br i1 %1, label %return, label %bb
|
|
|
|
bb: ; preds = %entry
|
|
store i32 4, i32* %P, align 4
|
|
ret void
|
|
|
|
return: ; preds = %entry
|
|
ret void
|
|
; CHECK-LABEL: memcmp2nb:
|
|
; CHECK: callq
|
|
}
|
|
|
|
define void @memcmp4(i8* %X, i8* %Y, i32* nocapture %P) nounwind {
|
|
entry:
|
|
%0 = tail call i32 (...) @memcmp(i8* %X, i8* %Y, i32 4) nounwind ; <i32> [#uses=1]
|
|
%1 = icmp eq i32 %0, 0 ; <i1> [#uses=1]
|
|
br i1 %1, label %return, label %bb
|
|
|
|
bb: ; preds = %entry
|
|
store i32 4, i32* %P, align 4
|
|
ret void
|
|
|
|
return: ; preds = %entry
|
|
ret void
|
|
; CHECK-LABEL: memcmp4:
|
|
; CHECK: movl
|
|
; CHECK-NEXT: cmpl
|
|
}
|
|
|
|
define void @memcmp4a(i8* %X, i32* nocapture %P) nounwind {
|
|
entry:
|
|
%0 = tail call i32 (...) @memcmp(i8* %X, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i32 0, i32 1), i32 4) nounwind ; <i32> [#uses=1]
|
|
%1 = icmp eq i32 %0, 0 ; <i1> [#uses=1]
|
|
br i1 %1, label %return, label %bb
|
|
|
|
bb: ; preds = %entry
|
|
store i32 4, i32* %P, align 4
|
|
ret void
|
|
|
|
return: ; preds = %entry
|
|
ret void
|
|
; CHECK-LABEL: memcmp4a:
|
|
; CHECK: cmpl $1869573999,
|
|
}
|
|
|
|
define void @memcmp8(i8* %X, i8* %Y, i32* nocapture %P) nounwind {
|
|
entry:
|
|
%0 = tail call i32 (...) @memcmp(i8* %X, i8* %Y, i32 8) nounwind ; <i32> [#uses=1]
|
|
%1 = icmp eq i32 %0, 0 ; <i1> [#uses=1]
|
|
br i1 %1, label %return, label %bb
|
|
|
|
bb: ; preds = %entry
|
|
store i32 4, i32* %P, align 4
|
|
ret void
|
|
|
|
return: ; preds = %entry
|
|
ret void
|
|
; CHECK-LABEL: memcmp8:
|
|
; CHECK: movq
|
|
; CHECK: cmpq
|
|
}
|
|
|
|
define void @memcmp8a(i8* %X, i32* nocapture %P) nounwind {
|
|
entry:
|
|
%0 = tail call i32 (...) @memcmp(i8* %X, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i32 0, i32 0), i32 8) nounwind ; <i32> [#uses=1]
|
|
%1 = icmp eq i32 %0, 0 ; <i1> [#uses=1]
|
|
br i1 %1, label %return, label %bb
|
|
|
|
bb: ; preds = %entry
|
|
store i32 4, i32* %P, align 4
|
|
ret void
|
|
|
|
return: ; preds = %entry
|
|
ret void
|
|
; CHECK-LABEL: memcmp8a:
|
|
; CHECK: movabsq $8029759185026510694,
|
|
; CHECK: cmpq
|
|
}
|
|
|